Ray Lewis putting 28-acre Reisterstown home on the market for $2.95 million

Monitoring states of consciousness under anesthesia

Anesthesia is administered to a surgical patient at City of Hope National Medical Center in Duarte, Calif. A team at Massachusetts General Hospital in Boston says it has had been able to use EEGs to identify signatures of loss and recovery of consciousness under the anesthesia drug propofol.
Myung J. Chun / Los Angeles Times
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